Amazingly, Vyew is free for up to 10 people.

5. You need to get that report written, stat, but you're constantly distracted by everything else on your computer: e-mail, Twitter, those damn Angry Birds.

To achieve total focus, fire up Write Space -- a full-screen text editor that blocks everything from view except a blank black page and white text. (Remember WordPerfect?) It saves persistently in the background, works offline, and rocks.

Okay, you've heard my picks. Now head to the comments and tell me what Chrome apps/extensions you find indispensable to running your business.